Vernier Software and Technology
Vernier Software & Technology

Ashes to Ashes

Figure from experiment 11 from Forensics with Vernier

Introduction

Investigator: James

Date: 10/05/05

  • call in at 3:04 a.m.
  • large fire on the East Side; historic log cabin of town founder, James McDonald
  • first responders too late to save cabin
  • traces of an unidentified chemical residue discovered in cabin remains
  • drops of unidentified chemical found between cabin remains and main road
    (??accelerant used to spread the fire??)
    ARSON strongly suspected
  • chemical evidence sent to lab for testing

Objectives

  • Identify the likely accelerant in an arson.
  • Identify a solution, based on evaporation rate.
  • Understand that evaporation rate is a characteristic property of a liquid.

Sensors and Equipment

This experiment features the following Vernier sensors and equipment.

Additional Requirements

You may also need an interface and software for data collection. What do I need for data collection?

Forensics with Vernier

See other experiments from the lab book.

1Tracks of a Killer
2Bouncing Back
3Name That Tune
4Making Cents of Math: Linear Relationship between Weight and Quantity
5The Ink is Still Wet
6Speeding Up
7Drug Tests
8No Dumping
9Killer Cup of Coffee
10Dropped at the Scene
11Ashes to Ashes
12Hit and Run
13Life in the Fast Lane
14Chill Out: How Hot Objects Cool

Experiment 11 from Forensics with Vernier Lab Book

<em>Forensics with Vernier</em> book cover

Included in the Lab Book

Vernier lab books include word-processing files of the student instructions, essential teacher information, suggested answers, sample data and graphs, and more.

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